7x+-29+-21x=3-(12+2x)

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Solution for 7x+-29+-21x=3-(12+2x) equation: 


Simplifying
7x + -29 + -21x = 3 + -1(12 + 2x)

Reorder the terms:
-29 + 7x + -21x = 3 + -1(12 + 2x)

Combine like terms: 7x + -21x = -14x
-29 + -14x = 3 + -1(12 + 2x)
-29 + -14x = 3 + (12 * -1 + 2x * -1)
-29 + -14x = 3 + (-12 + -2x)

Combine like terms: 3 + -12 = -9
-29 + -14x = -9 + -2x

Solving
-29 + -14x = -9 + -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.
-29 + -14x + 2x = -9 + -2x + 2x

Combine like terms: -14x + 2x = -12x
-29 + -12x = -9 + -2x + 2x

Combine like terms: -2x + 2x = 0
-29 + -12x = -9 + 0
-29 + -12x = -9

Add '29' to each side of the equation.
-29 + 29 + -12x = -9 + 29

Combine like terms: -29 + 29 = 0
0 + -12x = -9 + 29
-12x = -9 + 29

Combine like terms: -9 + 29 = 20
-12x = 20

Divide each side by '-12'.
x = -1.666666667

Simplifying
x = -1.666666667

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